On Tue, 29 Apr 2003 18:42:16 -0700, Tom Jaszewski wrote:

On 29 Apr 2003 20:51:46 GMT, c (TOM KAN PA) wrote:

How would core areating prevent these circles?

As the first step in restoring a lawn to a sustainable garden, core
aerating goes a long way.

To answer your question, TomKan, core aeration allows the soil to get oxygen,
which is generally not a hospitable climate for most fungi or molds. They like
a wet soil or conditions.

Victoria